5-10
n
DIAGNOSTICS & TROUBLESHOOTING
Troubleshooting (cont.)
vOLTAgE TEsT POINT chART
FROM
COLOR
TO
COLOR
P1-1
BK
P1-2
WH
P1-4
RD
P1-2
WH
P2-1
YL/RD
P1-2
WH
P2-5
WH/RD
P1-2
WH
P2-6
TN
P1-2
WH
P3-1
WH/TN
P1-1
BK
P3-3
V
P1-2
WH
P3-5
GY
4CKT PIN2
RD/BK
P3-6
BU
4CKT PIN2
RD/BK
P3-8
BU/YL
4CKT PIN2
RD/BK
P4-1
OR/BK
P4-4
BK/WH
P4-3
TN/BK
P4-4
BK/WH
P5-1
BU
P5-2
BU
P5-3
TN/RD
P5-4
TN/RD
P7
P7-1
WH
P7-2
WH
P8-1
YL
P8-2
GY
P8-3
YL/RD
P8-4
BR
P8-6
BK/WH
P8-4
BR
120VAC INPUT- WATER FILTER SWITCH FEEDBACK
P2
VOLTAGE TEST POINTS - MINOTAUR CONTROL BOARD
PI
CONDITIONS
120VAC INPUT- CONSTANT WHEN PLUGGED IN
120VAC OUTPUT TO COMPRESSOR
P3
P4
P5
P8
14 VDC OUTPUT TO WATER LEVEL SENSOR
120VAC OUTPUT TO CONDENSER FAN
120VAC OUTPUT TO WATER VALVE
120VAC NEUTRAL FOR TRANSFORMER
120VAC OUTPUT TO HOT GAS VALVE
12.8 VAC INPUT FROM TRANSFORMER
12.8 VAC OUPUT TO RECIRCULATING PUMP
12.8 VAC OUPUT TO DRAIN PUMP
14 VDC OUTPUT TO USER INTERFACE
COMMUNICATION
BIN Thermistor 1 to 4 VDC*
EVAP Thermistor 1 to 4 VDC*
Unit Thermistor 1 to 4 VDC*
5VDC Reed Switch
5VDC INPUT Water Level Switch - When Water Present
M
AI
N
C
O
N
TRO
L
P8 6
BK/WH
P8 4
BR
P8-7
WH
P8-8
RD
J1
J1-4
OR/BK
J1-1
BK/WH
J2
J1-2
TN/BK
J1-1
BK/WH
J2
J2-1
WH
J2-2
RD
4CKT PIN3
WH
4CKT PIN4
BK
4CKT PIN1
RD
4CKT PIN2
RD
3CKT PIN1
BU
3CKT PIN3
BU
* Voltage varies with Thermistor resistance (5 VDC Output with Thermistor unplugged)
14 VDC OUTPUT TO WATER LEVEL SENSOR
14 VDC OUTPUT TO DIAMOND LED LIGHT
VOLTAGE TEST POINTS - DOTYK USER INTERFACE BOARD
12.8 VAC OUTPUT FROM TRANSFORMER
9.4 VAC OUTPUT FROM TRANSFORMER
VOLTAGE TEST POINTS - TRANSFORMERS
14 VDC TO DIAMOND LED LIGHT
120 VAC INPUT TO TRANSFORMER
VOLTAGE TEST POINTS - DIAMOND LED
14 VDC INPUT TO UI
COMMUNICATION
UI
TR
AN